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 The
mining of sand from natural offshore deposits for use in the construction
industry can result in a negative effect on adjacent coastal areas
if it is allowed to take place in an inappropriate location. There
are concerns by coastal local authorities, over shoreline erosion
being caused or exacerbated by offshore aggregate dredging. Offshore
dredging along the east coast could result in negative impacts on
adjacent coastal areas, modifying nearshore wave conditions, affect
erosion and deposition rates, and alter benthic habitats and nearshore
circulation, and for this reason before permission to extract is
awarded each area has to be subject to a detailed environmental
impact assessment to ensure that unacceptable impacts do not occur.
Listed below are some general links to papers and websites on offshore
dredging.
Coastal Defence and Marine Aggregate Dredging off the UK
A report by Dr Andrew Bellemy of the British Marine Aggregate Producers
Association (BMAPA) on: Coastal Defence and Marine Aggregate Dredging
off the UK.
Link to the report.
Effects of Sand Extraction on Coastal Erosion
A paper by Otay et al from Georgia Tech - College of Engineering,
United States on the effects of sand extraction on coastal erosion.
Otay, E.N., Work, P.A. & Börekçi, O.S. Effects of
marine sand exploitation on coastal erosion and development of rational
sand production criteria.
Link to paper.
Effects of the disposal of marine dredged spoil at Flamborough
A report on the effects of the disposal of marine dredged spoil
around Flamborough Head. An appropriate assessment of existing consents
for the sea disposal of dredged material, as required under the
Conservation (Natural Habitats &c) Regulations, 1994. CEFAS
2000. The impact of disposal of marine dredged material on the Flamborough
Head Candidate Special Area of Conservation (cSAC).
Link to the report.
Offshore Dredging and Integrated Coastal Zone Management
The theme of coastal erosion, the effects of offshore dredging
and shoreline management is addressed in the newly published East
Riding Integrated Coastal Zone Management Plan under the section
'Managing the Coast'. East Riding of Yorkshire Council (2002).
Link to the ICZM plan.
For further details on the environmental and economic effects of dredging and aggregate extraction, please refer to the appropriate sections within:
Business & Employment
Environment
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